VANTHANG, Doan; VAN BAN, Doan. Definition membership function based on approach to hedge algebras. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 31, n. 4, p. 277, 2016. DOI: 10.15625/1813-9663/31/4/6189. Disponível em: https://jcc.vast.vn/jcc/article/view/6189. Acesso em: 4 nov. 2025.